Security Bulletin: Multiple vulnerabilities in IBM Java SDK affect Rational Developer for AIX and Linux - July 2020.

Summary

There are multiple vulnerabilities in IBM® SDK Java™ Technology Edition, Version 7 that is used by Rational Developer for AIX and Linux. These issues were disclosed as part of the IBM Java SDK updates in July 2020 (CVE-2020-14579, CVE-2020-14578, CVE-2020-14577, CVE-2019-17639) or deferred from the IBM Java SDK updates in January 2020 (CVE-2020-2590, CVE-2020-2601). This update also includes issues that were disclosed as part of the IBM Java SDK updates in October 2020.

Vulnerability Details

CVEID:CVE-2020-14579
**DESCRIPTION:**An unspecified vulnerability in Java SE related to the Libraries component could allow an unauthenticated attacker to cause a denial of service resulting in a low availability impact using unknown attack vectors.
CVSS Base score: 3.7
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/185057 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L)

CVEID:CVE-2020-14578
**DESCRIPTION:**An unspecified vulnerability in Java SE related to the Libraries component could allow an unauthenticated attacker to cause a denial of service resulting in a low availability impact using unknown attack vectors.
CVSS Base score: 3.7
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/185056 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L)

CVEID:CVE-2020-14577
**DESCRIPTION:**An unspecified vulnerability in Java SE related to the JSSE component could allow an unauthenticated attacker to obtain sensitive information resulting in a low confidentiality impact using unknown attack vectors.
CVSS Base score: 3.7
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/185055 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N)

CVEID:CVE-2019-17639
**DESCRIPTION:**Eclipse OpenJ9 could allow a remote attacker to obtain sensitive information, caused by the premature return of the current method with an undefined return value. By invoking the System.arraycopy method with a length longer than the length of the source or destination array can, an attacker could exploit this vulnerability to obtain sensitive information.
CVSS Base score: 5.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/185437 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N)

CVEID:CVE-2020-2590
**DESCRIPTION:**An unspecified vulnerability in Java SE related to the Java SE Security component could allow an unauthenticated attacker to cause no confidentiality impact, low integrity impact, and no availability impact.
CVSS Base score: 3.7
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/174538 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N)

CVEID:CVE-2020-2601
**DESCRIPTION:**An unspecified vulnerability in Oracle Java SE related to the Java SE, Java SE Embedded Security component could allow an unauthenticated attacker to obtain sensitive information resulting in a high confidentiality impact using unknown attack vectors.
CVSS Base score: 6.8
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/174548 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:N)

Affected Products and Versions

Affected Product(s)

|

**Version(s) -**VRMF

—|—
Rational Developer for AIX and Linux, AIX COBOL Edition| 9.1, 9.1.1, 9.1.1.1, 9.1.1.2, 9.1.1.3, 9.1.1.4, 9.1.1.5

Remediation/Fixes

Update the IBM SDK, Java Technology Edition of the product to address this vulnerability:

Product

| VRMF|Remediation/First Fix
—|—|—
Rational Developer for AIX and Linux| 9.1 through to 9.1.1.5|

• For all versions, update the currently installed product using Installation Manager. For instructions on installing this update using Installation Manager, review the topic in the Updating Installed Product Packages IBM Knowledge Center.
• Or, you can optionally download the update manually and apply interim fix: IBM SDK Java Technology Edition Critical Patch Update - July 2020- RDAL. Make sure to click on the Java 7.0****Update FC link to update to IBM Java 7 SR10 FP75.

Workarounds and Mitigations

None